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In this work, we study the following nonlinear homogeneous Neumann boundary value problemβ (u) -diva (x, 7u) f in fΩ, a (x, u). η= 0 on Ω, where Ω is a smooth bounded open domain in RN, N ≥ 3 with smooth boundary Ωand ηthe outer unit normal vector on Ω . We prove the existence and uniqueness of an entropy solution for L1-data f. The functional setting involves Lebesgue and Sobolev spaces with variable exponent. 相似文献
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